Rolled-in media door

ABSTRACT

A printer housing has a media compartment covered by a roll-in door. A pair of door tracks is attached to the printer housing along left and right edges of the media compartment. The roll-in door has left and right edges, the door being captivated by the pair of door tracks at each of the left and right edges. The roll-in door being movable from a fully closed position that renders the media compartment substantially fully covered to a fully open position in which the media compartment can be accessed. In the fully open position, at least a portion of the roll-in door is contained within the printer housing.

FIELD OF THE INVENTION

The present invention relates to printer housings and doors used therein to access print media, etc.

BACKGROUND

Generally speaking, industrial printers such as those used to print bar code labels are rather compact devices. However, a user will occasionally have occasion to replace rolled or fan fold print media or otherwise service the device. To do so, the user opens a media access door. Unfortunately, such media access doors commonly swing up from a central area of the top of the housing to reveal the print media. This is illustrated in FIG. 1.

The media door 10 covers the media compartment of industrial barcode printers such as 14. In the example shown, the media side 16 is on the right and includes the media (e.g. a roll of paper) 18 and an ink ribbon 22. For convenience, the left side 26 of the printer 14 is referred to as the electronics side. When either the media 18 or ribbon 22 runs out, a user needs to open this media door 10 to install a new media 18 or ribbon 22.

The problem lies with space. When the media door 10 is opened, it takes quite a lot of space (both the swing-space to the right and the vertical space above when the door is opened. This limits the location that the printer can conveniently and efficiently be placed.

This problem has been partially addressed by use of a folding media door 30 having a hinge 34 as shown in printer 40 of FIG. 2. However, while this reduces the space taken-up; it does not eliminate it.

Therefore, a need exists for an improved mechanism for accessing the media door for printers such as industrial bar code printers.

SUMMARY

Accordingly, in one aspect, the present invention embraces a solution to the issue of the door taking up too much space when an industrial barcode printer media door is opened.

A printer housing consistent with certain examples has a media compartment covered by a roll-in door. A pair of door tracks is attached to the printer housing along left and right edges of the media compartment. The roll-in door has left and right edges, the door being captivated by the pair of door tracks at each of the left and right edges. The roll-in door being movable from a fully closed position that renders the media compartment substantially fully covered to a fully open position in which the media compartment can be accessed. In the fully open position, at least a portion of the roll-in door is contained within the printer housing.

In an exemplary embodiment, a device has a printer housing having a media compartment and a pair of door tracks attached to the printer housing along left and right edges of the media compartment. A roll-in door has left and right edges, with the door being captivated by the pair of door tracks at each of the left and right edges. The roll-in door is movable from a fully closed position that renders the media compartment substantially fully covered to a fully open position in which the media compartment can be accessed. In the fully open position, at least a portion of the roll-in door is contained within the printer housing.

In accord with certain embodiments, the roll-in door is rolled up within an area of the printer housing in the fully open position. In certain embodiments, the roll-in door resides adjacent a periphery of the printer housing when in the fully open position. In certain embodiments, the roll-in door comprises a plurality of rigid door segments separated by hinges that allow the roll-in door to conform to curves in the pair of door tracks. In certain embodiments, the door tracks are integral to a door frame of the printer housing. In certain embodiments, the door tracks are connected to a door frame of the printer housing. In certain embodiments, the roll-in door has a bearing surface on each side that travels in the door tracks.

In another example embodiment, a device has a printer housing having a media compartment. A door frame surrounds a door opening that provides access to the media compartment. A pair of door tracks is attached to the door frame of the printer housing along left and right edges of the media compartment. A roll-in door has left and right edges, the door being captivated by the pair of door tracks at each of the left and right edges. The roll-in door is movable from a fully closed position that renders the media compartment substantially fully covered to a fully open position in which the media compartment can be accessed. In the fully open position, at least a portion of the roll-in door is contained within the printer housing.

In certain embodiments, the roll-in door is rolled up within an area of the printer housing in the fully open position. In certain embodiments, the roll-in door resides adjacent a periphery of the printer housing when in the fully open position. In certain embodiments, the roll-in door comprises a plurality of rigid door segments separated by hinges that allow the roll-in door to conform to curves in the pair of door tracks. In certain embodiments, the door tracks are integral to the door frame of the printer housing. In certain embodiments, the door tracks are connected to the door frame of the printer housing. In certain embodiments, the roll-in door has a bearing surface on each side that travels in the door tracks.

In another example embodiment, a printer housing has a media compartment. A door frame surrounds a door opening that provides access to the media compartment. A pair of door tracks is integral to the door frame of the printer housing along left and right edges of the media compartment. A roll-in door has left and right edges and a bearing surface at the left and right edges. The door is captivated by the pair of door tracks at each of the bearing surfaces oat the left and right edges. The roll-in door is movable from a fully closed position that renders the media compartment substantially fully covered to a fully open position in which the media compartment can be accessed. In the fully open position, at least a portion of the roll-in door is contained within the printer housing.

In certain embodiments, the roll-in door is rolled up within an area of the printer housing in the fully open position. In certain embodiments, the roll-in door resides adjacent a periphery of the printer housing when in the fully open position. In certain embodiments, the roll-in door comprises a plurality of rigid door segments separated by hinges that allow the roll-in door to conform to curves in the pair of door tracks.

The foregoing illustrative summary, as well as other exemplary objectives and/or advantages of the invention, and the manner in which the same are accomplished, are further explained within the following detailed description and its accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 shows a printer having a conventional media access door.

FIG. 2 shows a printer having a hinged media access door.

FIG. 3 shows a printer housing having a roll-in media door in the closed position.

FIG. 4 shows a printer housing having a roll-in media door in the open position.

FIG. 5 shows a printer housing having a roll-in media door in the closed position.

FIG. 6 shows a printer housing having a roll-in media door in the open position.

FIG. 7 shows a roll-in door within a door frame consistent with certain embodiments.

DETAILED DESCRIPTION

The present invention embraces an improved door for an industrial bar code printer housing that maximizes the space efficiency of the printer so as to require a smaller footprint and overhead space in which to operate.

For purposes of this document, the term “roll-in door” or “rolled-in door” and similar terms refer to a door arrangement having a sequence of hinged door segments or otherwise flexibly connected segments that can be rolled on a track around a curve of at least about 90 degrees, more or less. One example is a structure similar to a garage door and another is similar to the main door used in a roll-top desk. The segments can use connected using a mechanical hinge having a captive pin or using a flexible hinge (i.e., a so-called “living hinge”) made of plastic or cloth or other flexible material.

In accord with certain example embodiments, a printer housing is provided with a printer door that is configured as a roll-in door in a manner that allows the door—when opened—to be contained within the printer housing while open so as to not pivot or otherwise move into an area outside that occupied by the printer when the door is closed. The door can be thought of as resembling a roll-in automobile garage door on a much smaller scale. In order to implement such a structure, a plurality of door panels or door segments are attached together using hinges or hinge segments such that the door can be opened and closed by rolling the door structure into the printer housing. This is accomplished by having each side edge of the door follow a track built into a door frame as will be shown later.

With reference to FIG. 3 and FIG. 4, the position of the door 100 is shown first in FIG. 3 in the closed position so as to cover the media side 104. A compartment 108 at the upper side of the electronic side 106 receives the door panels as a roll when the door is opened by sliding the door upward and then to the left as shown to allow the door panels to roll up inside the compartment 108 and out of the way as shown in FIG. 4. Each edge of the door 100 is suspended in a door frame (not shown in these views) including a track structure that guides the door 100 into and out of compartment 108. The door 100 is closed by simply rolling the door 100 out of compartment 108 by moving the door to the right (as shown) and then downward to cover the media compartment.

The rails can be extended all the way into the electronics compartment such that when the media door is fully opened, it looks as if the media door has ‘disappeared’ into the electronics compartment. This concept completely eliminates any space take-up issue when a user needs to install either a new ribbon or a new paper roll or otherwise carry out service in the media compartment.

FIG. 5 shows another embodiment in which the media door 100 is shown closed. FIG. 6 shows the same embodiment with the door 100 rolled-in. In this example, rather than having the door roll into a roll within a compartment 108, the door instead continues to roll along a track that carries the door along the outer periphery of the electronic side 106 of the printer housing. The tracks can be separate components or may be implemented as integral channels within the door frame and printer housing. Many variations will occur to those skilled in the art upon consideration of the present teachings.

FIG. 7 shows an embodiment of the roll-in door 100 situated within a frame 130 that forms a part of the printer housing. This frame 130 is fitted with a pair of tracks 134 and 138 that reside at each of the left and right sides of the media door 100 and captivate either an edge of the door panels themselves or a bearing surface attached to the door panels so as to permit the door to glide easily up and down the tracks 134 and 138. The tracks may be a separate element affixed to the frame 130 or may be integrally formed (e.g., molded) channels in the door frame 130.

In each example embodiment shown, the media door rolls up and out of the way by retracting into the printer housing. This permits the user to access the media compartment to change out media rolls or carry out other service without having to set aside an inconvenient amount of space to park the printer.

To supplement the present disclosure, this application incorporates entirely by reference the following commonly assigned patents, patent application publications, and patent applications:

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In the specification and/or figures, typical embodiments of the invention have been disclosed. The present invention is not limited to such exemplary embodiments. The use of the term “and/or” includes any and all combinations of one or more of the associated listed items. The figures are schematic representations and so are not necessarily drawn to scale. Unless otherwise noted, specific terms have been used in a generic and descriptive sense and not for purposes of limitation. 

1. A device, comprising: a printer housing having a media compartment; a pair of door tracks attached to the printer housing along left and right edges of the media compartment; a roll-in door having left and right edges, the door being captivated by the pair of door tracks at each of the left and right edges; the roll-in door being movable from a fully closed position that renders the media compartment substantially fully covered to a fully open position in which the media compartment can be accessed; and where in the fully open position, the roll-in door is rolled up within an area of the printer housing.
 2. (canceled)
 3. The device according to claim 1, where the roll-in door resides adjacent a periphery of the printer housing when in the fully open position.
 4. The device according to claim 1, where the roll-in door comprises a plurality of rigid door segments separated by hinges that allow the roll-in door to conform to curves in the pair of door tracks.
 5. The device according to claim 1, where the door tracks are integral to a door frame of the printer housing.
 6. The device according to claim 1, where the door tracks are connected to a door frame of the printer housing.
 7. The device according to claim 1, where the roll-in door has a bearing surface on each side that travels in the door tracks.
 8. A device, comprising: a printer housing having a media compartment; a door frame surrounding a door opening that provides access to the media compartment; a pair of door tracks attached to the door frame of the printer housing along left and right edges of the media compartment; a roll-in door having left and right edges, the door being captivated by the pair of door tracks at each of the left and right edges; the roll-in door being movable from a fully closed position that renders the media compartment substantially fully covered to a fully open position in which the media compartment can be accessed; and where in the fully open position, the roll-in door is rolled up within an area of the printer housing.
 9. (canceled)
 10. The device according to claim 8, where the roll-in door resides adjacent a periphery of the printer housing when in the fully open position.
 11. The device according to claim 8, where the roll-in door comprises a plurality of rigid door segments separated by hinges that allow the roll-in door to conform to curves in the pair of door tracks.
 12. The device according to claim 8, where the door tracks are integral to the door frame of the printer housing.
 13. The device according to claim 8, where the door tracks are connected to the door frame of the printer housing.
 14. The device according to claim 8, where the roll-in door has a bearing surface on each side that travels in the door tracks.
 15. A device, comprising: a printer housing having a media compartment; a door frame surrounding a door opening that provides access to the media compartment; a pair of door tracks that are integral to the door frame of the printer housing along left and right edges of the media compartment; a roll-in door having left and right edges, the roll-in door having a bearing surface at the left and right edges; the door being captivated by the pair of door tracks at each of the bearing surfaces at the left and right edges; the roll-in door being movable from a fully closed position that renders the media compartment substantially fully covered to a fully open position in which the media compartment can be accessed; and where in the fully open position, the roll-in door is rolled up within an area of the printer housing.
 16. (canceled)
 17. The device according to claim 15, where the roll-in door resides adjacent a periphery of the printer housing when in the fully open position.
 18. The device according to claim 15, where the roll-in door comprises a plurality of rigid door segments separated by hinges that allow the roll-in door to conform to curves in the pair of door tracks. 